Sports ‘Let’s not try to knock the guy’: Cowboys QB Dak Prescott defends Amari Cooper’s COVID-19 vaccination status November 21, 2021Jori Epstein, USA TODAYComments Off on ‘Let’s not try to knock the guy’: Cowboys QB Dak Prescott defends Amari Cooper’s COVID-19 vaccination status Amari Cooper missed Sunday's loss to the Chiefs after being placed on the COVID-19 list, but Dak Prescott backed the Cowboys' star WR.